JP4424208B2 - Body front structure - Google Patents

Body front structure Download PDF

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Publication number
JP4424208B2
JP4424208B2 JP2005009353A JP2005009353A JP4424208B2 JP 4424208 B2 JP4424208 B2 JP 4424208B2 JP 2005009353 A JP2005009353 A JP 2005009353A JP 2005009353 A JP2005009353 A JP 2005009353A JP 4424208 B2 JP4424208 B2 JP 4424208B2
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Japan
Prior art keywords
support
radiator
vehicle
cowl
radiator support
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JP2005009353A
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Japanese (ja)
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JP2006193118A (en
Inventor
裕人 圓山
直哉 小坂
浩史 玉腰
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トヨタ自動車株式会社
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/082Engine compartments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/152Front or rear frames

Description

  The present invention relates to a front structure of a vehicle body.
2. Description of the Related Art Conventionally, a structure for absorbing an impact at the time of a collision with another vehicle has been adopted in a front part structure of a vehicle body in various vehicles such as a passenger car. As a front structure of this type of vehicle body, a structure in which an upper end portion of a radiator support that supports a peripheral portion of the radiator is supported from the vehicle width direction by an apron upper member that constitutes an upper portion of an outer frame of the engine room is known. (For example, refer to Patent Document 1).
Japanese Patent Laid-Open No. 11-43071
  In recent years, it has been desired to disperse the collision load. And compared with the prior art of the said patent document 1, it is calculated | required that the collision load in a vehicle front part is disperse | distributed more efficiently.
  The present invention has been made to solve such problems, and an object of the present invention is to provide a front structure of a vehicle body that can efficiently disperse a collision load acting on the front of the vehicle.
The front structure of the vehicle body according to the present invention is a front structure of the vehicle body having a pair of front pillars arranged on both sides in the vehicle width direction of the vehicle and forming a front portion of the passenger compartment of the vehicle as a part of a skeleton, The radiator support that supports the radiator, the cowl that connects the front parts of the pair of front pillars, the dash panel that forms the front wall of the cabin, and the radiator support that supports the top of the radiator A pair of first radiator support support members connected to the front pillar and a portion of the radiator support that is disposed inside the pair of first radiator support support members in the vehicle width direction and supports the upper portion of the radiator connected to one of the cowl or the dash panel and supported from the rear, the pair second consisting of columnar members extending linearly Is characterized by comprising a radiator support supporting members, the. The front structure of the vehicle body according to the present invention is a front structure of the vehicle body that includes a pair of front pillars that are disposed on both sides in the vehicle width direction and that form the front part of the passenger compartment of the vehicle. A radiator support for supporting the radiator, a cowl portion for connecting the front portions of the pair of front pillars, a suspension tower for supporting a shock absorber used for the suspension on the vehicle body side, and a radiator support for supporting the upper portion of the radiator. A pair of first radiator support support members that are supported from both sides in the vehicle width direction and connected to the front pillar, and are disposed on the inner side in the vehicle width direction than the pair of first radiator support support members, and the upper portion of the radiator is The radiator support part to be supported is supported from behind, and it is attached to the cowl part via the suspension tower. A pair of second radiator support support members to be connected, and of the second radiator support support members, a member for connecting the radiator support and the suspension tower, and a member for connecting the suspension tower and the cowl portion The position in the height direction is the same. The front structure of the vehicle body according to the present invention is a front structure of the vehicle body that includes a pair of front pillars that are disposed on both sides in the vehicle width direction of the vehicle and that form the front part of the passenger compartment of the vehicle as part of the skeleton. A radiator support that supports the radiator, a cowl portion that connects the front portions of the pair of front pillars and has a front wall and a rear wall that are erected in the vehicle height direction, and a radiator support that supports the upper portion of the radiator And a pair of first radiator support support members that are supported from both sides in the vehicle width direction and connected to the front pillar, and are disposed on the inner side in the vehicle width direction than the pair of first radiator support support members, And a pair of second radiator support supporting members that support a portion of the radiator support that supports the rear portion and that are coupled to the cowl portion. The support member is provided at a position corresponding to the rear end portion of the first reinforcing member and a first reinforcing member that supports the radiator support portion from the rear and is connected to the front wall of the cowl portion. A cowl bulk connecting the wall and the rear wall is provided.
According to such a front structure of the vehicle body, a portion of the radiator support that supports the upper portion of the radiator disposed in the front portion of the vehicle includes a pair of first radiator support support members that are supported from both sides in the vehicle width direction, Since this pair of first radiator support support members is connected to the skeleton of the vehicle body by a second radiator support support member that is arranged on the inner side in the vehicle width direction and supported from the rear side, the radiator The collision load applied to the portion of the radiator support that supports the upper portion is transmitted through the first radiator support support member and the second radiator support support member that is disposed on the inner side in the vehicle width direction of the first radiator support support member. And efficiently dispersed in the skeleton of the vehicle body. In particular, since the second radiator support support member is connected to either the cowl portion or the dash panel , the collision load on the radiator support portion that supports the upper portion of the radiator is reduced. Is transmitted to either the cowl portion or the dash panel via the, and is efficiently dispersed in the skeleton of the vehicle body. Further, the second radiator support support member disposed on the inner side in the vehicle width direction than the first radiator support support member shortens the support point distance, and the bending moment applied to the radiator support portion supporting the upper portion of the radiator is reduced. Because it decreases, it can withstand higher impact loads than before. In addition, when the second radiator support support member is connected to the cowl portion via the suspension tower, a collision load with respect to the radiator support portion that supports the upper portion of the radiator passes through the second radiator support support member and the suspension tower. Is transmitted to the frame of the vehicle body, and the length of the individual members constituting the second radiator support support member can be shortened, resulting in a larger load than before. Can withstand. Moreover, the freedom degree of arrangement | positioning of a 2nd radiator support support member is improved.
Moreover, it is good also as a structure provided with the cowl support member which connects the 2nd radiator support support member to a cowl part, and connects the part which supports the 2nd radiator support support member in a cowl part, and a front pillar. With such a configuration, the collision load on the radiator support portion that supports the upper portion of the radiator is transmitted to the cowl portion via the second radiator support support member, and is transmitted to the front pillar by the cowl support member. Is efficiently dispersed in the skeleton.
A dash panel support in which a second radiator support support member is connected to the dash panel , and a portion connecting the second radiator support support member in the dash panel and a cowl portion connecting the front portions of the pair of front pillars are connected. It is good also as a structure provided with a member. With such a configuration, the collision load on the radiator support portion that supports the upper portion of the radiator is transmitted to the dash panel via the second radiator support support member, and is transmitted to the front pillar by the dash panel support member. , Efficiently dispersed in the skeleton of the car body.
  The front structure of the vehicle body according to the present invention includes a pair of front pillars that are arranged on both sides in the vehicle width direction of the vehicle to form the front portion of the passenger compartment of the vehicle, and a floor tunnel that is formed on the lower surface of the passenger cabin and extends in the front-rear direction of the vehicle. Is a front structure of the vehicle body that is part of the skeleton, and supports the radiator support that supports the radiator and the radiator support portion that supports the upper portion of the radiator from both sides in the vehicle width direction. A pair of first radiator support support members coupled to the vehicle, and a portion of the radiator support that is disposed inside the pair of first radiator support support members in the vehicle width direction and supports an upper portion of the radiator in the longitudinal direction of the vehicle And a pair of second radiator support support members disposed between the floor tunnel and the second radiator support Over DOO support member is characterized to be arranged through between the engine.
  According to such a front structure of the vehicle body, a collision load on the radiator support portion that supports the upper portion of the radiator is transmitted via the first radiator support support member, the second radiator support support member, and the engine. In addition to being efficiently dispersed in the skeleton of the vehicle body, it is possible to reduce the length of the individual members constituting the second radiator support support member, and to withstand a greater load than before. . Moreover, the freedom degree of arrangement | positioning of a 2nd radiator support support member is improved. Further, the second radiator support support member disposed on the inner side in the vehicle width direction than the first radiator support support member shortens the support point distance, and the bending moment applied to the radiator support portion supporting the upper portion of the radiator is reduced. Because it decreases, it can withstand higher impact loads than before.
  According to the front structure of the vehicle body of the present invention, the collision load with respect to the radiator support portion that supports the upper portion of the radiator causes the first radiator support support member and the inside of the first radiator support support member in the vehicle width direction. Since it is transmitted to the skeleton of the vehicle body via the second radiator support support member arranged in the vehicle, it is possible to efficiently disperse the collision load acting on the front portion of the vehicle. Further, since the bending moment applied to the portion of the radiator support that supports the upper portion of the radiator is reduced, it is possible to withstand a higher collision load than before.
  Hereinafter, a preferred embodiment of a front structure of a vehicle body of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a front structure of a vehicle body according to the first embodiment of the present invention from the front side, and FIG. 2 is a plan view of the front structure of the vehicle body shown in FIG. In the description of the drawings, the same or corresponding elements are denoted by the same reference numerals, and redundant description is omitted. Further, in this specification, the forward direction when the vehicle is moving forward is defined as “front”, and terms such as “front”, “rear”, “left”, and “right” are used.
  A vehicle body front structure 1 shown in FIGS. 1 and 2 is a vehicle body front structure in a vehicle 2 such as a passenger car. The vehicle 2 includes an engine room 2a at the front, and a cabin is formed behind the engine room 2a via a dash panel 3 as a partition wall. In FIG. 1, only the right side is shown.
  As shown in FIG. 1, a front structure 1 of a vehicle body includes a radiator support 6 that is disposed in a front portion of an engine room 2a and supports a radiator (not shown), and an apron upper member that constitutes an upper portion of a frame body of the engine room 2a. (First radiator support support member) 4, a pair of front side members (only one shown) 5 disposed on both sides in the vehicle width direction with an engine (not shown) interposed therebetween, and a dash panel 3 And a cowl portion 7 extending in the vehicle width direction.
  The radiator support 6 forms a rectangular frame, extends in the vehicle width direction, and supports a radiator support upper (a portion of the radiator support that supports the upper portion of the radiator) 6a that supports the upper end of the radiator. A pair of radiator support side 6b that extends and has an upper end connected to an end of the radiator support upper 6a to support the side of the radiator, and extends in the vehicle width direction and has both ends at the lower end of the radiator support side 6b And a radiator support lower 6c that supports the lower end of the radiator. The radiator is accommodated in a frame that includes the radiator support upper 6a, the radiator support side 6b, and the radiator support lower 6c. The radiator support upper 6a is supported by a pair of apron upper members 4 from both sides in the vehicle width direction. Although the radiator support 6 has a rectangular frame, the radiator support lower 6c and the radiator support side 6b may be omitted.
  The apron upper member 4 is disposed on both the left and right sides of the vehicle 2 and extends in the front-rear direction. The front portion of the apron upper member 4 is bent inward in the vehicle width direction, and as described above, the radiator support upper 6a. On the other hand, the rear end side of the apron upper member 4 is connected to a front body pillar upper reinforcement (front pillar, hereinafter referred to as A-pillar) 9 which is a part of the skeleton member of the vehicle body and forms the front part of the cabin. A suspension tower 8 is provided on the inner side of the apron upper member 4 in the vehicle width direction to support the upper part of a shock absorber (not shown) used for the suspension on the vehicle body side. The suspension tower 8 protrudes from the apron upper member 4 in the vehicle width direction to the engine room 2a side, has a substantially cylindrical shape extending in the vehicle height direction, and is configured to cover the shock absorber from the engine room 2a side. The shock absorber is suspended.
  The front side member 5 which is a part of the skeleton member of the vehicle body has a front portion connected to the radiator support side 6b, extends in the front-rear direction of the vehicle 2, is connected to the front surface of the dash panel 3, and The panel 3 is bent downward from the front surface side and extends to the lower surface side of the floor panel of the passenger cabin. The front side member 5 is a member for improving the strength and rigidity of the vehicle body and is a member for absorbing an impact that could not be absorbed by the front portion of the vehicle 2 such as a bumper (not shown) at the time of a collision. Have a load.
  The cowl portion 7 is connected to the upper end of the dash panel 3 and extends in the vehicle width direction, and both end portions of the cowl portion 7 are connected to a pair of A pillars 9. The cowl portion 7 includes a front wall 7a and a rear wall 7b erected in the vehicle height direction, a bottom plate 7c that connects lower ends of the front wall 7a and the rear wall 7b, a front wall 7a and a rear wall 7b. And an upper plate that connects the upper ends of each other (shown in the figure with no upper plate), supports a windshield (not shown) from below, and supplies air to an air conditioner (not shown) Used as
  Here, the front body structure 1 of the vehicle body of the present embodiment is disposed on the inner side in the vehicle width direction than the pair of apron upper members 4, and supports the radiator support upper 6 a from the rear and is connected to the front wall 7 a of the cowl portion 7. A pair of first reinforcing members (radiator support upper to cowl portions) 11, a cowl bulk that connects a portion of the front wall 7 a of the cowl portion 7 that supports the first reinforcing member and a rear wall 7 b of the cowl portion 7. 12 and so on. The first reinforcing member 11 and the cowl bulk 12 constitute a second radiator support supporting member.
  The first reinforcing member 11 extends substantially horizontally in the front-rear direction of the vehicle 2 and supports the radiator support upper 6a from the rear. Specifically, the front end portion 11a of the first reinforcing member 11 is coupled to the inside of the support point by the apron upper member 4 in the vehicle width direction of the radiator support upper 6a. On the other hand, the rear end portion 11 b of the first reinforcing member 11 is connected to the front surface of the front wall 7 a of the cowl portion 7. The first reinforcing member 11 may be connected to the radiator support upper 6a and the cowl portion 7 by welding or using bolts or the like.
  The cowl bulk 12 is a reinforcing member interposed between the front wall 7 a and the rear wall 7 b of the cowl portion 7, and the front end portion of the cowl bulk 12 corresponds to the rear end portion 11 b of the first reinforcing member 11. The rear end portion of the cowl bulk 12 is connected to the rear wall 7 b of the cowl portion 7. In addition, welding may be employ | adopted for the connection with the front wall 7a and the rear wall 7b of the cowl part 7 of the cowl bulk 12, and you may connect using a volt | bolt etc.
  According to the front structure 1 of the vehicle body configured as described above, when the vehicle 2 collides with an obstacle such as another vehicle on the front side of the vehicle 2, as shown in FIG. A load F is applied to the upper 6a from the front, and the load F applied to the radiator support upper 6a is transmitted to the apron upper member 4 and the first reinforcing member 11, and the load transmitted to the apron upper member 4 is A pillar. 9, and the load transmitted to the first reinforcing member 11 is transmitted to the cowl portion 7, the cowl bulk 12, and the A pillar 9 and dispersed to the skeleton member of the vehicle body. Is done. Thus, according to the front part structure 1 of the vehicle body of the present embodiment, the collision load on the radiator support upper 6a is efficiently distributed to the skeleton of the vehicle body. Further, the first reinforcing member 11 disposed on the inner side in the vehicle width direction from the apron upper member 4 shortens the support point distance L and reduces the bending moment applied to the radiator support upper 6a. Can withstand higher impact loads.
  In the first embodiment, the second radiator support support member is the first reinforcement member 11 with the first reinforcement member 11 and the cowl bulk 12 as separate members and the front wall 7a of the cowl portion 7 interposed therebetween. However, the first reinforcing member 11 and the cowl bulk 12 may be integrated to penetrate the front wall 7a of the cowl portion 7. Incidentally, as a particularly preferable configuration, the cowl bulk 12 is used in the first embodiment, but a configuration including only the first reinforcing member 11 may be adopted.
  Next, a front structure of a vehicle body related to the second embodiment of the invention will be described with reference to FIGS. The vehicle body front structure 21 of the second embodiment is different from the vehicle body front structure 1 of the first embodiment in that the first reinforcing member 11 that connects the radiator support upper 6a and the cowl portion 7 is used. The second reinforcing member (radiator support upper to suspension tower) 23 and the third reinforcing member (suspension tower to cowl portion) for connecting the radiator support upper 6a and the cowl portion 7 via the suspension tower (other member) 8 ) 24. The second reinforcing member 23, the third reinforcing member 24, and the cowl bulk 12 constitute a second radiator support supporting member.
  The second reinforcing member 23 extends substantially horizontally in the front-rear direction of the vehicle 22 and supports the radiator support upper 6a from the rear. Specifically, the front end portion 23a of the second reinforcing member 23 is connected to the inside of the radiator support upper 6a in the vehicle width direction. On the other hand, the rear end portion 23b of the second reinforcing member 23 is connected to the upper portion of the suspension tower 8 and the inner front side in the vehicle width direction. The second reinforcing member 23 may be connected to the radiator support upper 6a and the suspension tower 8 by welding or using bolts or the like.
  The third reinforcing member 24 extends substantially horizontally in the front-rear direction of the vehicle 22, and supports the radiator support upper 6 a from the rear via the suspension tower 8 and the second reinforcing member 23. Specifically, the front end portion 24a of the third reinforcing member 24 is connected to the upper portion of the suspension tower 8 and the inner rear side in the vehicle width direction. On the other hand, the rear end portion 24 b of the third reinforcing member 24 is connected to the front surface of the front wall 7 a of the cowl portion 7. The connection of the third reinforcing member 24 to the suspension tower 8 and the cowl portion 7 may employ welding, or may be connected using a bolt or the like.
  The cowl bulk 12 is a reinforcing member interposed between the front wall 7a and the rear wall 7b of the cowl portion 7 as in the first embodiment, and the front end portion of the cowl bulk 12 is the third reinforcing member 24. The rear end portion of the cowl bulk 12 is connected to the rear wall 7b of the cowl portion 7, while the rear end portion of the cowl bulk 12 is connected to the portion of the front wall 7a of the cowl portion 7 corresponding to the rear end portion 24b. In addition, welding may be employ | adopted for the connection with the front wall 7a and the rear wall 7b of the cowl part 7 of the cowl bulk 12, and you may connect using a volt | bolt etc.
  In the front structure 21 of the vehicle body configured as described above, when the vehicle 22 collides with an obstacle such as another vehicle on the front side of the vehicle 22, the load F applied to the radiator support upper 6a (see FIG. 4). ) Is transmitted to the apron upper member 4 and the second reinforcing member 23, and the load transmitted to the apron upper member 4 is transmitted to the A pillar 9 and distributed to the skeleton member of the vehicle body, while the second The load transmitted to the reinforcing member 23 is transmitted to the third reinforcing member 24 via the suspension tower 8, and the loads transmitted to the third reinforcing member 24 include the cowl portion 7, the cowl bulk 12, and the A pillar 9. To be distributed to the skeleton member of the vehicle body.
  Even with such a front structure 21 of the vehicle body, the same effect as that of the front structure 1 of the vehicle body of the first embodiment can be obtained, and in addition, the radiator support upper 6a and the cowl via the suspension tower 8 can be obtained. Since the second reinforcing member 23 and the third reinforcing member 24 that connect the portion 7 are provided, the lengths of the individual members 23 and 24 constituting the second radiator support supporting member can be shortened. , Can withstand a greater load than before. Moreover, the freedom degree of arrangement | positioning of a 2nd radiator support support member is improved.
  In the second embodiment, the suspension tower 8 is cited as another member, and the vehicle body front structure 21 that connects the radiator support upper 6a and the skeleton member of the vehicle body via the suspension tower 8 is used. It is good also as a front part structure of the vehicle body which connects the radiator support upper 6a and the skeleton member of the vehicle body via other members arranged between the radiator support 6 and the cowl part 7 in the front-back direction of 22.
  Next, a front structure of a vehicle body related to the third embodiment of the invention will be described with reference to FIG. The vehicle body front structure 31 of the third embodiment is different from the vehicle body front structure 1 of the first embodiment in that it replaces the first reinforcing member 11 that connects the radiator support upper 6 a and the cowl portion 7. A fourth reinforcing member (radiator support upper to engine) 33 and a fifth reinforcing member disposed between the radiator support upper 6a and the floor tunnel 15 which is a part of the skeleton member of the vehicle body with the engine 14 therebetween. This is a point using a member (engine to floor tunnel) 34. The fourth reinforcing member 33 and the fifth reinforcing member 34 constitute a second radiator support supporting member.
  Here, the floor tunnel 15 is formed of a floor panel constituting the lower part of the passenger compartment, and extends in the front-rear direction of the vehicle 32 at the center in the vehicle width direction.
  The fourth reinforcing member 33 extends substantially horizontally in the front-rear direction of the vehicle 32, and transmits the collision load F from the front applied to the radiator support upper 6 a to the rear engine 14. Specifically, the front end portion 33 a of the fourth reinforcing member 33 is connected to the inside of the radiator support upper 6 a in the vehicle width direction, while the rear end portion 33 b of the fourth reinforcing member 33 is connected to the front surface of the engine 14. It extends toward. The fourth reinforcing member 33 may be connected to the radiator support upper 6a by welding or may be connected using a bolt or the like.
  The fifth reinforcing member 34 extends substantially horizontally in the front-rear direction of the vehicle 32, and transmits the collision load F applied to the engine 14 from the front to the rear floor tunnel 15. Specifically, the front end portion 34 a of the fifth reinforcing member 34 is disposed so as to face the rear surface of the engine 14, while the rear end portion 34 b of the fifth reinforcing member 34 is connected to the floor tunnel 15. ing. The fifth reinforcing member 34 may be connected to the floor tunnel 15 by welding or may be connected using a bolt or the like.
  In the front structure 31 of the vehicle body configured as described above, when the vehicle 32 collides with an obstacle such as another vehicle on the front side of the vehicle 32, the load F applied to the radiator support upper 6a is the apron upper. The load transmitted to the member 4 and the fourth reinforcing member 33 and transmitted to the apron upper member 4 is transmitted to the A pillar 9 and distributed to the skeleton member of the vehicle body, while being transmitted to the fourth reinforcing member 33. The applied load is transmitted to the fifth reinforcing member 34 via the engine 14, and the load transmitted to the fifth reinforcing member 34 is transmitted to the floor tunnel 15 and distributed to the skeleton member of the vehicle body.
  Even with such a front structure 31 of the vehicle body, the same effects as those of the front structure 1 of the vehicle body of the first embodiment can be obtained, and in addition, the radiator support upper 6a and the engine 14 are interposed therebetween. Since the fourth reinforcing member 33 and the fifth reinforcing member 34 arranged between the floor tunnel 15 are provided, the lengths of the individual members 33 and 34 constituting the second radiator support supporting member are shortened. And can withstand a greater load than before. Moreover, the freedom degree of arrangement | positioning of a 2nd radiator support support member is improved.
  Next, a front structure of a vehicle body related to the fourth embodiment of the invention will be described with reference to FIGS. The vehicle body front structure 41 of the fourth embodiment is different from the vehicle body front structure 1 of the first embodiment in that it replaces the first reinforcing member 11 that connects the radiator support upper 6a and the cowl portion 7. The sixth reinforcing member (radiator support upper to dash panel) 43 that connects the radiator support upper 6a and the dash panel 3, and the portion that connects the sixth reinforcing member 43 in the dash panel 3 and the cowl portion 7 are connected. The dash panel support member (dash panel to cowl) 44 (see FIG. 7) is used. And the 6th reinforcement member 43 comprises the 2nd radiator support support member.
  The sixth reinforcing member 43 extends substantially horizontally in the front-rear direction of the vehicle 42, and supports the radiator support upper 6a from the rear. Specifically, the front end portion 43a of the sixth reinforcing member 43 is connected to the inside of the radiator support upper 6a in the vehicle width direction. On the other hand, the rear end portion 43 b of the sixth reinforcing member 43 is connected to the front surface of the dash panel 3. The sixth reinforcing member 43 may be connected to the radiator support upper 6a and the dash panel 3 by welding, or may be connected using a bolt or the like.
  As shown in FIG. 7, the dash panel support member 44 is a reinforcing member that extends in the vehicle height direction along the rear surface of the dash panel 3 and supports the dash panel 3 from the rear. The portion 44a is connected to the rear end portion 43b of the sixth reinforcing member 43 with the dash panel 3 interposed therebetween, while the upper end portion 44b of the dash panel support member 44 is connected to the lower surface of the bottom plate 7c of the cowl portion 7. ing. The dash panel support member 44 may be connected to the dash panel 3 and the cowl portion 7 by welding or using bolts or the like.
  In the front structure 41 of the vehicle body configured as described above, when the vehicle 42 collides with an obstacle such as another vehicle on the front side of the vehicle 42, the load F applied to the radiator support upper 6a is expressed by the apron upper. The load transmitted to the member 4 and the sixth reinforcing member 43 and transmitted to the apron upper member 4 is transmitted to the A pillar 9 and distributed to the skeleton member of the vehicle body, while being transmitted to the sixth reinforcing member 43. The applied load is transmitted to the dash panel support member 44 through the dash panel 3, and the load transmitted to the dash panel support member 44 is transmitted to the cowl portion 7 and the A pillar 9 to be distributed to the skeleton member of the vehicle body. The Even with such a front structure 41 of the vehicle body, the same effects as those of the front structure 1 of the vehicle body of the first embodiment can be obtained.
  In addition, in the said 4th Embodiment, although it is set as the structure provided with the dash panel support member 44 as being especially preferable, you may employ | adopt the structure provided only with the 6th reinforcement member 43. FIG.
  Next, a front structure of a vehicle body related to the fifth embodiment of the invention will be described with reference to FIG. The vehicle body front structure 51 of the fifth embodiment is different from the vehicle body front structure 1 of the first embodiment in that a portion of the cowl portion 7 that supports the rear end of the cowl bulk 12 is connected to the A pillar 9. The cowl support member 13 is provided.
  The cowl support member 13 is a reinforcing member that is disposed on the rear surface (guest room) side of the rear wall 7b of the cowl portion 7 and supports an end portion 7d of the cowl portion 7 in the vehicle width direction from the A pillar 9 side. The end 13a of the member 13 on the cowl part 7 side is connected to the rear end part 11b of the first reinforcing member 11 via the cowl part 7 and the cowl bulk 12, while the cowl support member 13 is connected to the A pillar 9 side. The end portion 13b is connected to the inner (guest room) side surface of the A pillar 9 in the vehicle width direction, and the cowl support member 13 may be connected to the cowl portion 7 and the A pillar 9 by welding. , And may be connected using bolts or the like.
  In the front structure 51 of the vehicle body configured in this way, when the vehicle collides with an obstacle such as another vehicle on the front side of the vehicle, the load F applied to the radiator support upper is the apron upper member 4 and The load transmitted to the first reinforcing member 11 and transmitted to the apron upper member 4 is transmitted to the A pillar 9 and distributed to the skeleton member of the vehicle body, while the load transmitted to the first reinforcing member 11 is transmitted. Is transmitted to the A pillar 9 and the cowl support member 13 through the cowl bulk 12 and the cowl portion 7, and the load transmitted to the cowl support member 13 is transmitted to the A pillar 9 and distributed to the skeleton member of the vehicle body. . Even with such a front structure of the vehicle body, the same effect as that of the front structure 1 of the vehicle body of the first embodiment can be obtained. In addition, since the cowl support member 13 is provided, the cowl portion 7 Can be more firmly supported by the A pillar 9.
  As mentioned above, although this invention was concretely demonstrated based on the embodiment, this invention is not limited to the said embodiment. In the above embodiment, the second radiator support member is configured to be coupled to the A pillar 9 via the cowl portion 7 and to the floor tunnel 15, but the skeleton member of the vehicle body via other strength members. It is good also as a structure connected with skeleton members of other vehicle bodies, such as a dash cross member.
It is a perspective view which shows the front part structure of the vehicle body which concerns on 1st Embodiment of this invention from the front side. It is a top view of the front part structure of the vehicle body shown in FIG. It is a perspective view which shows the front part structure of the vehicle body which concerns on 2nd Embodiment of this invention from the front side. It is a top view of the front part structure of the vehicle body shown in FIG. It is a top view which shows the front part structure of the vehicle body which concerns on 3rd Embodiment of this invention. It is a perspective view which shows the front part structure of the vehicle body which concerns on 4th Embodiment of this invention from the front side. It is a perspective view which shows the front part structure of the vehicle body of FIG. 6 from the back side. It is a perspective view which shows the front part structure of the vehicle body which concerns on 5th Embodiment of this invention from the back side.
Explanation of symbols
  1, 21, 31, 41, 51 ... front structure of vehicle body, 2, 22, 32, 42 ... vehicle, 3 ... dash panel, 4 ... apron upper member (first radiator support support member), 6 ... radiator support , 6a ... Radiator support upper (radiator support part supporting the upper part of the radiator), 7 ... Cowl part, 8 ... Suspension tower (other members), 9 ... A pillar (front pillar), 11 ... first reinforcing member (Second radiator support supporting member), 12 ... cowl bulk (second radiator support supporting member), 13 ... cowl supporting member, 14 ... engine, 15 ... floor tunnel, 23 ... second reinforcing member (second reinforcing member) Radiator support support member), 24 ... third reinforcement member (second radiator support support member), 33 ... fourth reinforcement member (second Di eta support supporting member), 34 ... fifth reinforcing member (second radiator support supporting members), 43 ... sixth reinforcing member (second radiator support supporting members), 44 ... dash panel supporting member.

Claims (6)

  1. A front part structure of a vehicle body having a pair of front pillars arranged on both sides in a vehicle width direction of the vehicle and forming a front part of a cabin of the vehicle as a part of a skeleton,
    A radiator support for supporting the radiator;
    A cowl portion connecting the front portions of the pair of front pillars;
    A dash panel constituting the front wall of the cabin;
    A pair of first radiator support support members that support a portion of the radiator support that supports the upper portion of the radiator from both sides in the vehicle width direction and are coupled to the front pillar;
    A radiator support portion that is arranged on the inner side in the vehicle width direction than the pair of first radiator support support members and supports the upper portion of the radiator is connected to either the cowl portion or the dash panel from behind. And a pair of second radiator support support members each comprising a linearly extending columnar member .
  2. A front part structure of a vehicle body having a pair of front pillars arranged on both sides in a vehicle width direction of the vehicle and forming a front part of a cabin of the vehicle as a part of a skeleton,
      A radiator support for supporting the radiator;
      A cowl portion connecting the front portions of the pair of front pillars;
      A suspension tower for supporting a shock absorber used for the suspension on the vehicle body side;
      A pair of first radiator support support members that support a portion of the radiator support that supports the upper portion of the radiator from both sides in the vehicle width direction and are coupled to the front pillar;
      A pair of radiator support members that are disposed on the inner side in the vehicle width direction than the pair of first radiator support support members, support a portion of the radiator support that supports the upper portion of the radiator from the rear, and are connected to the cowl portion via the suspension tower. A second radiator support support member,
      Of the second radiator support support member, the member that connects the radiator support and the suspension tower and the member that connects the suspension tower and the cowl portion have substantially the same height position.
      The front structure of the vehicle body characterized by this.
  3. A front part structure of a vehicle body having a pair of front pillars arranged on both sides in a vehicle width direction of the vehicle and forming a front part of a cabin of the vehicle as a part of a skeleton,
      A radiator support for supporting the radiator;
      A front portion of the pair of front pillars connected to each other, a cowl portion having a front wall and a rear wall erected in the vehicle height direction;
      A pair of first radiator support support members that support a portion of the radiator support that supports the upper portion of the radiator from both sides in the vehicle width direction and are coupled to the front pillar;
      A pair of second radiator supports disposed on the inner side in the vehicle width direction than the pair of first radiator support support members and supporting a portion of the radiator support that supports the upper portion of the radiator from the rear and coupled to the cowl portion. A support member,
      The second radiator support member corresponds to a first reinforcing member that supports a portion of the radiator support from behind and is connected to the front wall of the cowl portion, and a rear end portion of the first reinforcing member. A cowl bulk provided at a position and connecting a front wall and a rear wall of the cowl portion.
      The front structure of the vehicle body characterized by this.
  4. The second radiator support support member is coupled to the cowl;
    The front of the vehicle body according to any one of claims 1 to 3, further comprising a cowl support member that connects a portion of the cowl portion that supports the second radiator support support member and the front pillar. Part structure.
  5. The second radiator support support member is coupled to the dash panel;
    Claim 1, characterized in that it comprises a portion for connecting the second radiator support supporting members in the dash panel, the dash panel supporting member for connecting the cowl portion connecting front portions of the pair of front pillars The front structure of the vehicle body described.
  6. A pair of front pillars that are arranged on both sides in the vehicle width direction of the vehicle and that form the front part of the passenger compartment of the vehicle, and a floor tunnel that is formed on the lower surface of the passenger cabin and extends in the front-rear direction of the vehicle, are part of the skeleton. The front structure of the vehicle body,
    A radiator support for supporting the radiator;
    A pair of first radiator support support members that support a portion of the radiator support that supports the upper portion of the radiator from both sides in the vehicle width direction and are coupled to the front pillar;
    In the vehicle width direction, disposed inside the pair of first radiator support support members,
    A pair of second radiator support support members disposed between a portion of a radiator support that supports an upper portion of the radiator and the floor tunnel in the longitudinal direction of the vehicle;
    The front structure of a vehicle body, wherein the second radiator support support member is disposed with an engine interposed therebetween.
JP2005009353A 2005-01-17 2005-01-17 Body front structure Expired - Fee Related JP4424208B2 (en)

Priority Applications (1)

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JP2005009353A JP4424208B2 (en) 2005-01-17 2005-01-17 Body front structure

Applications Claiming Priority (5)

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JP2005009353A JP4424208B2 (en) 2005-01-17 2005-01-17 Body front structure
EP06712135A EP1840004B1 (en) 2005-01-17 2006-01-17 Front structure of vehicle body
US11/795,377 US7766420B2 (en) 2005-01-17 2006-01-17 Front structure of vehicle body
PCT/JP2006/300919 WO2006075804A1 (en) 2005-01-17 2006-01-17 Front structure of vehicle body
CNB2006800016179A CN100519309C (en) 2005-01-17 2006-01-17 Front structure of vehicle body

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JP2006193118A JP2006193118A (en) 2006-07-27
JP4424208B2 true JP4424208B2 (en) 2010-03-03

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US (1) US7766420B2 (en)
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JP (1) JP4424208B2 (en)
CN (1) CN100519309C (en)
WO (1) WO2006075804A1 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4539366B2 (en) * 2005-02-22 2010-09-08 トヨタ自動車株式会社 Body front structure
FR2910865B1 (en) * 2006-12-28 2009-04-03 Plastic Omnium Cie SUPPORT PART FOR A SHOCK ABSORPTION SYSTEM INTENDED TO BE FITTED AT THE END OF A LONGERON OF A MOTOR VEHICLE
DE602008000251D1 (en) * 2007-04-24 2009-12-17 Mazda Motor Front body of a vehicle
FR2929224B1 (en) * 2008-03-26 2010-06-04 Peugeot Citroen Automobiles Sa Improved brake lower frame for protecting occupants of the vehicle in the event of a frontal shock
DE102008049763A1 (en) * 2008-09-30 2010-04-01 GM Global Technology Operations, Inc., Detroit Body for a motor vehicle
JP5189463B2 (en) * 2008-11-17 2013-04-24 本田技研工業株式会社 Front body structure of automobile
US8128160B2 (en) * 2009-06-17 2012-03-06 Honda Motor Co., Ltd. Tower bar construction for a motor vehicle
JP5495119B2 (en) 2010-05-07 2014-05-21 スズキ株式会社 Reinforcement structure at the front of the car body
DE102010021574A1 (en) * 2010-05-26 2011-12-01 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Front end for a motor vehicle
DE102011103090A1 (en) * 2011-05-25 2012-11-29 Thyssenkrupp Steel Europe Ag Vehicle body and its use
JP5640934B2 (en) * 2011-09-13 2014-12-17 三菱自動車工業株式会社 Front body structure of the vehicle
JP2013103590A (en) * 2011-11-14 2013-05-30 Honda Motor Co Ltd Vehicle body front structure of electric vehicle
JP5803819B2 (en) * 2012-06-11 2015-11-04 トヨタ自動車株式会社 vehicle front structure
KR101394760B1 (en) * 2012-10-10 2014-05-15 기아자동차주식회사 Reinforce for front shock absorber of vehicle
DE102012023784A1 (en) * 2012-12-05 2014-06-05 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Motor vehicle body with wheel mounting strut
DE102013106433A1 (en) * 2013-06-20 2014-12-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Support frame for a motor vehicle
DE102013014720A1 (en) * 2013-09-05 2015-03-05 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Body front end
DE102013218688A1 (en) * 2013-09-18 2015-03-19 Bayerische Motoren Werke Aktiengesellschaft Body of a motor vehicle
JP5971222B2 (en) * 2013-10-16 2016-08-17 トヨタ自動車株式会社 Vehicle lower structure
FR3019517B1 (en) * 2014-04-04 2018-03-23 Renault S.A.S Reinforced automotive vehicle structure
DE102014008402B4 (en) * 2014-06-13 2017-11-02 Thyssenkrupp Ag Front-end structure
US9333989B2 (en) * 2014-06-25 2016-05-10 Ford Global Technologies, Llc Vehicle frame bracket
DE102014111794A1 (en) 2014-08-19 2016-02-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Stiffening arrangement for a front end of a motor vehicle
KR20170058375A (en) * 2014-09-22 2017-05-26 아르셀러미탈 Vehicle front body structure
JP6547671B2 (en) * 2016-04-06 2019-07-24 トヨタ自動車株式会社 Car equipped with a traveling motor
CN105774912B (en) * 2016-05-21 2018-07-20 中山弗雷德机械有限公司 A kind of hybrid vehicle front deck
CN106064643B (en) * 2016-06-01 2018-09-11 北京长城华冠汽车科技股份有限公司 On a kind of front on frame and the application front frame automobile
US9809256B1 (en) 2016-06-07 2017-11-07 Ford Global Technologies, Llc Vehicle body structure
JP2019171931A (en) * 2018-03-27 2019-10-10 マツダ株式会社 Front part vehicle body structure of vehicle
KR20200120162A (en) * 2019-04-11 2020-10-21 현대자동차주식회사 Front body of vehicle

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126017A (en) 1973-04-05 1974-12-03
JPS6258260A (en) 1985-09-07 1987-03-13 Canon Inc Photoreceptive member
JPS6258260U (en) * 1985-09-30 1987-04-10
JPS6483676A (en) 1987-09-28 1989-03-29 Toyota Motor Corp Wear resistant al alloy member
DE3800296A1 (en) * 1988-01-08 1989-07-20 Porsche Ag Cooling device on a motor vehicle
JPH02246877A (en) * 1989-03-20 1990-10-02 Mazda Motor Corp Front body structure for automobile
US5102164A (en) * 1989-07-20 1992-04-07 Mazda Motor Corporation Vehicle suspension mounting structure
JPH0359275A (en) 1989-07-26 1991-03-14 Nissan Motor Co Ltd Unlocking device for weaving machine
JPH04154487A (en) * 1990-10-17 1992-05-27 Mazda Motor Corp Front body structure of vehicle
JP2565377Y2 (en) * 1991-09-06 1998-03-18 マツダ株式会社 Car front body structure
JPH05170135A (en) * 1991-12-18 1993-07-09 Mazda Motor Corp Front body structure for automobile
JP3307857B2 (en) 1997-07-28 2002-07-24 ダイハツ工業株式会社 Car body front end structure
JP3697976B2 (en) * 1999-03-16 2005-09-21 日産自動車株式会社 Front end module mounting structure
JP3428518B2 (en) * 1999-08-23 2003-07-22 本田技研工業株式会社 Vehicle front cover mounting structure
FR2801031B1 (en) * 1999-11-15 2002-02-15 Plastic Omnium Cie MOTOR VEHICLE TECHNICAL FRONT PANEL WITH REFERENCE TO VEHICLE WING
DE10023193B4 (en) 2000-05-11 2006-10-26 Dr.Ing.H.C. F. Porsche Ag Vehicle body for a front end of a motor vehicle
JP4025008B2 (en) * 2000-11-29 2007-12-19 カルソニックカンセイ株式会社 Radiator core support structure for vehicles
JP4762444B2 (en) * 2001-06-15 2011-08-31 富士重工業株式会社 Vehicle front-end structure
JP3747811B2 (en) * 2001-06-20 2006-02-22 日産自動車株式会社 Assembling the front end module
JP2003118640A (en) 2001-10-10 2003-04-23 Nissan Motor Co Ltd Front structure of vehicle body for automobile
JP2003252241A (en) * 2002-02-26 2003-09-10 Daihatsu Motor Co Ltd Front end structure of vehicle
JP4026465B2 (en) * 2002-03-11 2007-12-26 株式会社デンソー Vehicle front end structure
JP2004106705A (en) 2002-09-18 2004-04-08 Calsonic Kansei Corp Front body structure of automobile
US6805400B2 (en) * 2002-12-05 2004-10-19 Daimlerchrysler Corporation Fender support system
DE20321813U1 (en) * 2003-03-04 2010-07-01 Audi Ag Support structure of a motor vehicle
KR100527119B1 (en) * 2003-04-15 2005-11-09 현대자동차주식회사 Stiffness increasing structure of front end module combination area on automobile fender apron
DE10324000B4 (en) * 2003-05-27 2007-01-11 Dr.Ing.H.C. F. Porsche Ag Vehicle structure
JP3917965B2 (en) * 2003-08-26 2007-05-23 本田技研工業株式会社 Body front structure
JP4586477B2 (en) * 2003-12-22 2010-11-24 マツダ株式会社 Shroud support structure and assembly method
US7210733B2 (en) * 2004-04-22 2007-05-01 Ford Global Technologies, Llc Tubular support for shock tower in automobiles
US7066533B2 (en) * 2004-06-03 2006-06-27 Ford Global Technologies, Llc Tubular front end structure for automobiles and method for making the same
US7347489B2 (en) * 2005-09-13 2008-03-25 Chrysler Llc Front end for a vehicle and method for making same

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Publication number Publication date
US7766420B2 (en) 2010-08-03
EP1840004B1 (en) 2011-10-05
CN100519309C (en) 2009-07-29
EP1840004A1 (en) 2007-10-03
EP1840004A4 (en) 2008-09-24
WO2006075804A1 (en) 2006-07-20
US20080150326A1 (en) 2008-06-26
CN101090845A (en) 2007-12-19
JP2006193118A (en) 2006-07-27

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